19946421

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1783}}^1$

素因数の和:1913

約数の個数: 24

約数和(自身を含む): 31726656

約数和(自身を除く): 11780235

約数列:

[1, 3, 9, 11, 33, 99, 113, 339, 1017, 1243, 1783, 3729, 5349, 11187, 16047, 19613, 58839, 176517, 201479, 604437, 1813311, 2216269, 6648807, 19946421]

約数ペア:

[(1, 19946421), (3, 6648807), (9, 2216269), (11, 1813311), (33, 604437), (99, 201479), (113, 176517), (339, 58839), (1017, 19613), (1243, 16047), (1783, 11187), (3729, 5349)]